Chair



FIG. 1 is a perspective view of the new design for a chair;

FIG. 2 a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom thereof. 

CLAIM The ornamental design for a chair, as shown and described. 